An object of 50 kg mass is lifted from the earth surface to the height of 3 meters. Calculate its potential energy If this object is allowed to fall free then calculate its kinetic energy when it is at accurate half of the path.
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Answer:
P. E. =mgh
=50*9.8*3
=1470 joule
K. E. at half the height = 1/2*mgh
=1/2*1470=735 joule
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